Search a number
-
+
2741782986 = 23350773759
BaseRepresentation
bin1010001101101100…
…0100100111001010
321002002011000012000
42203123010213022
521103344023421
61132021531430
7124641525255
oct24333044712
97062130160
102741782986
111187735158
12646273b76
133490559c7
141c01cc09c
15110a8a226
hexa36c49ca

2741782986 has 16 divisors (see below), whose sum is σ = 6092851200. Its totient is φ = 913927644.

The previous prime is 2741782969. The next prime is 2741782999. The reversal of 2741782986 is 6892871472.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 50773759 = 2741782986 / (2 + 7 + 4 + 1 + 7 + 8 + 2 + 9 + 8 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25386826 + ... + 25386933.

It is an arithmetic number, because the mean of its divisors is an integer number (380803200).

Almost surely, 22741782986 is an apocalyptic number.

2741782986 is an abundant number, since it is smaller than the sum of its proper divisors (3351068214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2741782986 is a wasteful number, since it uses less digits than its factorization.

2741782986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50773770 (or 50773764 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 2741782986 is about 52362.0376417878. The cubic root of 2741782986 is about 1399.6228552131.

The spelling of 2741782986 in words is "two billion, seven hundred forty-one million, seven hundred eighty-two thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 50773759 101547518 152321277 304642554 456963831 913927662 1370891493 2741782986